{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206753",
    "entityType": "User",
    "nonce": "0x5f88ba033924ced8871c2b11ff78a00d9d4c961de730bc59cf92f30724ff5435",
    "signature": "0x7c8b325fbaedcc34d245e9018b54ca42dd314a0065bcdd82ca6c4549588ad18f4407ce5c7f4399b4c5a53fa719db0a9529ed649513d926de6c938aed43976e541c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}